From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752860AbcGLWmj (ORCPT ); Tue, 12 Jul 2016 18:42:39 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:45246 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752601AbcGLWlF (ORCPT ); Tue, 12 Jul 2016 18:41:05 -0400 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Jiri Olsa , Namhyung Kim , Wang Nan Subject: [PATCH 50/66] perf script python: Silence -Werror=maybe-uninitialized on gcc 5.3.0 Date: Tue, 12 Jul 2016 19:40:25 -0300 Message-Id: <1468363241-14555-51-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1468363241-14555-1-git-send-email-acme@kernel.org> References: <1468363241-14555-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo Sounds like a compiler bug, but to silence it, initialize those variables to NULL. Noticed on: Target: x86_64-alpine-linux-musl Configured with: /home/buildozer/aports/main/gcc/src/gcc-5.3.0/configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --build=x86_64-alpine-linux-musl --host=x86_64-alpine-linux-musl --target=x86_64-alpine-linux-musl --with-pkgversion='Alpine 5.3.0' --enable-checking=release --disable-fixed-point --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-werror --disable-symvers --enable-__cxa_atexit --enable-esp --enable-cloog-backend --enable-languages=c,c++,objc,java,fortran,ada --disable-libssp --disable-libmudflap --disable-libsanitizer --enable-shared --enable-threads --enable-tls --with-system-zlib Thread model: posix gcc version 5.3.0 (Alpine 5.3.0) Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-zyvsjvbl45o7hzcuz78wu2xi@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/scripting-engines/trace-event-python.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index ff134700bf30..6ac6b7a33f42 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -273,7 +273,7 @@ static PyObject *get_field_numeric_entry(struct event_format *event, struct format_field *field, void *data) { bool is_array = field->flags & FIELD_IS_ARRAY; - PyObject *obj, *list = NULL; + PyObject *obj = NULL, *list = NULL; unsigned long long val; unsigned int item_size, n_items, i; @@ -392,7 +392,7 @@ static void python_process_tracepoint(struct perf_sample *sample, struct addr_location *al) { struct event_format *event = evsel->tp_format; - PyObject *handler, *context, *t, *obj, *callchain; + PyObject *handler, *context, *t, *obj = NULL, *callchain; PyObject *dict = NULL; static char handler_name[256]; struct format_field *field; -- 2.7.4